Construction for the Sancheong Pumped Storage Power Plant Center began in February 1995and it was completed in November 2001.Pumped storage power plants provide a type of hydroelectric generation. During nocturnalhours when power consumption levels are low, the remaining surplus power is used to pumpand store water from the lower dam in the upper dam at a higher altitude; later, during timesof the day when power consumption peaks, the water is released from the upper dam backinto the lower dam to generate electricity.The upper dam is located in Naedae-ri of Sicheon-myeon: the height of the dam is 91m andits length is 360m. The lower dam is located in Bancheon-ri in Sicheon-myeon, and has aheight of 71m and a length of 286m. The facilities are comprised of the upper and lowerreservoirs and dams and the underground power plant; the total height of the drop is 427m.The underground power plant is equipped with the full range of state-of-the-art generatingfacilities and mechanical devices. It was the first in Korea to apply a concrete face rock filldam technique, which reduced the construction cost by 30% compared to conventional dams.During the construction, the plant was awarded for excellence in environmental management.The plant anticipates the rapid growth in demand for electrical power in Gyeongsangnam-dowhile promoting stability in the power supply.
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